Lytecaster 2090 3.75 Inch Flush Glass Wet Location Trim features a frosted clear polycarbonate flange ring with pressed borosilicate glass textured diffuser and smooth surface on exposed side for wipe down cleaning. Pull down release for toolless relamping. One 120 volt, PAR20 medium base halogen lamp is required, but not included. UL listed. Suitable for covered ceiling wet locations. 4 5/8 inch outside diameter. 2 7/8 inch aperture. May be installed less than 90 inches above max water surface height. Meets NEC requirements for spas and hot tubs. A complete fixture includes a frame-in kit and a trim kit, sold separately.